Zapier integration (#491)

* create zapier app

* install sanctum

* move OAuthProviderController

* make `api-external` middleware

* add zapier endpoints

* add tests

* token management

* zapier event handler

* add policy

* use `slug` instead of `id`

* wip

* check policies

* change api prefix to `external`

* ui tweaks

* validate token abilities

* open zapier URL

* zapier ui tweaks

* update zap

* Fix linting

* Added sample endpoints + minor UI changes

* Run PHP code linter

---------

Co-authored-by: Julien Nahum <julien@nahum.net>

app/Enums/AccessTokenAbility.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Enums;
+
+use Illuminate\Support\Arr;
+
+enum AccessTokenAbility: string
+{
+    case ManageIntegrations = 'manage-integrations';
+    case ListForms = 'list-forms';
+    case ListWorkspaces = 'list-workspaces';
+
+    public static function values(): array
+    {
+        return array_map(
+            fn (AccessTokenAbility $case) => $case->value,
+            static::cases()
+        );
+    }
+
+    public static function allowed(array $abilities): array
+    {
+        return Arr::where(
+            $abilities,
+            fn (string $ability) => in_array($ability, static::values())
+        );
+    }
+}